iOS 8

Just four days after its release on September 17, iOS 8's adoption rate hit 46%, according to Apple's App Store Distribution page. This is well ahead of iOS 7's rate, which hit 52% a week after it was made available.

At the end of May, just three days before Apple announced iOS 8, around 90% of iPhone users and 85% of iPad users had adopted iOS 7, which means iOS 7 has dropped of somewhere in the neighborhood of 40% in just a few days.

UPDATE: An Apple spokesperson has confirmed with The Verge that the iOS 8.0.1 update was pulled due to reports that it was disrupting cellular service and Touch ID functionality.

Just seven days after the release of iOS 8, Apple has rolled out iOS 8.0.1 to squash a few bugs. The update resolves an issue that was plaguing third-party HealthKit apps, a third-party keyboard bug that was causing problems with user passcodes, an issue with Safari and more. You can see the complete changelog below.

Apple released iOS 8 on September 17, 2014, just two days before the official launch of the iPhone 6 and iPhone 6 Plus . The first developer beta was made available on June 2, 2014. The update added many enhancements and new features, like a QuickType keyboard and HealtKit app, to Apple's OS.

To some consumers battery life is one of the most important features on a mobile device. Apple claims that the iPhone 6 and 6 Plus get up to 10 hours of internet use on LTE and up to 14 hours of talk time on 3G. If you are finding that your new iPhone is falling short of Apple's battery claims you may want to check the new battery usage tool found in iOS 8. Just navigate to Settings > General > Usage > Battery Usage and you'll find a list of apps and how much power they're each using.

The battery usage tool shows you the apps that have used the most battery life in the last 24 hours or last 5 days. The knee jerk reaction would be to eliminate these power sucking apps, but just because they're at the top of the list doesn't meant they're evil battery killers. It just most likely means you use them a lot.

iPhone owners have been stuck using Apple's default iOS keyboard since it was originally released in 2007, but now iPhone and iPad owners can choose to replace Apple's offering with a variety of third-party keyboards available on the App Store. Jailbreakers and Android users have long known about the advantages of having different keyboard options, but now all iOS 8 users can see why it is important to have choices. Here's a list of iOS 8 supported keyboards you can test out on your iPhone or iPad. It is worth at least checking out one or two of these third-party keyboards so you can know what you have been missing out on all these years. You can always go back to Apple's default keyboard if you don't find anything that you like.

Fleksy Keyboard: $0.99 (Universal) - Even before iOS 8 was released the developers behind Flesky have been working hard to improve the keyboard experience on iOS devices. Flesky claims to be "the fastest keyboard in the world" and it has received positive reviews from several publications such as Time Magazine. Flesky allows users to customize their keyboard with different themes and use swiping gestures to add punctuation, delete words and so on. The keyboard also includes over 800 emojis and support for over 40 languages.